#include<stdio.h>
int main()
{
	int a = 0;
	int b = 0;
	int c = 0;
	int d = 0;
	int e = 0;

	a += 3;
	b = ++a;
	c = a++;
	d = a--;
	e = --a;
	printf("%d\n,%d\n,%d\n,%d\,%d\n", a , b , c ,d ,e );

	return 0;
}